#661A18#661A18

#661A18 is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.4% C 0.109 H 26.2°. Best body text is #FFFFFF at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#661A18
RGB	rgb(102, 26, 24)
HSL	hsl(2, 62%, 25%)
HSV	hsv(2, 76%, 40%)
CMYK	cmyk(0%, 74.5%, 76.5%, 60%)
CIE-LAB	lab(22.41, 33.69, 21.13)
CIE-LCH	lch(22.41, 39.76, 32.10°)
OKLab	oklab(34.41% 0.0977 0.0481)
OKLCH	oklch(34.41% 0.109 26.2)
XYZ	xyz(6.0144, 3.6304, 1.2480)
Luminance	0.0363 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661A18 #186466

analogous

#66183D #661A18 #664118

triadic

#661A18 #18661A #1A1866

tetradic

#661A18 #3D6618 #186466 #411866

square

#661A18 #3D6618 #186466 #411866

split-complementary

#661A18 #186641 #183D66

monochromatic

#190606 #340D0C #661A18 #982724 #C9332F

Accessibility & contrast

On white

12.17

#661A18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#661A18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661A18

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661A18	#FFFFFF	#000000	##FFFFFF
##661A18	1.00	12.17	1.73	12.17
#FFFFFF	12.17	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302B17

Deuteranopia (green-blind)

#433C15

Tritanopia (blue-blind)

#71021A

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #661a18;
/* rgb */ color: rgb(102, 26, 24);
/* oklch */ color: oklch(34.4% 0.109 26.2);

Tailwind

colors: {
  custom: {
    50: '#985c55',
    500: '#661a18',
    950: '#000000',
  },
}

SCSS

$custom: #661a18;
$custom-light: #985c55;
$custom-dark: #000000;

JSON

{
  "hex": "#661a18",
  "rgb": {
    "r": 102,
    "g": 26,
    "b": 24
  },
  "hsl": {
    "h": 1.538,
    "s": 61.905,
    "l": 24.706
  },
  "oklch": {
    "l": 0.34409,
    "c": 0.10887,
    "h": 26.2
  },
  "luminance": 0.0363
}

Semantic roles & 50–950 ramp

primary

#661A18

secondary

#3E9A9C

accent

#E1E543

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #661A18

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →